IAA RAS IAA Minor Planet Database

2021 BT1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3152580846 ± 1.28e-03
Semi-major axis (a)1.6643317955 AU ± 3.60e-03
Inclination (i)27.41904694° ± 5.39e-02
Long. of Asc. Node (Ω)117.25959323° ± 9.69e-04
Arg. of Perihelion (ω)16.15866988° ± 1.53e-02
Mean Anomaly (M)83.56438738° ± 2.60e+00
Mean Motion (n)0.4590419873°/day ± 1.49e-03
Perihelion dist (q)1.13963774 AU ± 3.25e-03
Aphelion dist (Q)2.18902585 AU ± 5.18e-03
Orbital Period2.14713754 yr ± 6.96e-03
Physical Parameters
H (abs. magnitude)24.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.181″
Uncertainty4
Orbit TypeAmor
MOID0.164578 AU
Observations Used17
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-11
Last Observation Used2021-01-19
Observations (17)
Date Type RA Dec Mag Band Observatory
2021-01-11 06:15:46 C 07 43 31.54 +03 13 00.4 – V G96
2021-01-11 06:23:06 C 07 43 31.57 +03 13 43.7 – V G96
2021-01-18 05:38:49 C 07 45 21.79 +22 03 06.9 – V G96
2021-01-18 05:46:10 C 07 45 21.79 +22 04 01.2 – V G96
2021-01-18 06:00:57 C 07 45 21.82 +22 05 50.5 – V G96
2021-01-18 06:08:21 C 07 45 21.81 +22 06 45.3 – V G96
2021-01-18 06:15:47 C 07 45 21.83 +22 07 40.9 – V G96
2021-01-18 06:23:11 C 07 45 21.81 +22 08 35.5 – V G96
2021-01-18 09:04:34 C 07 45 21.84 +22 28 25.1 – V V06
2021-01-18 09:06:07 C 07 45 21.84 +22 28 36.5 – V V06
2021-01-18 09:07:40 C 07 45 21.84 +22 28 47.9 – V V06
2021-01-18 11:30:26 C 07 45 22.46 +22 46 15.4 – V V06
2021-01-18 11:31:59 C 07 45 22.46 +22 46 26.6 – V V06
2021-01-18 11:33:32 C 07 45 22.50 +22 46 37.7 – V V06
2021-01-19 04:59:14 C 07 45 40.34 +24 56 50.2 – V 807
2021-01-19 05:04:41 C 07 45 40.34 +24 57 30.5 – V 807
2021-01-19 05:09:54 C 07 45 40.34 +24 58 09.2 – V 807